Alert archive / Utah / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 23, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this severe thunderstorm warning at Jun 10, 1997, 2:23 PM MDT for Davis County, Salt Lake County, Utah. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 10, 1997, 2:23 PM MDT (20:23 UTC)
- Expired
- Jun 10, 1997, 3:10 PM MDT
- In force
- 47 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Whole counties
Counties Davis County, UT, Salt Lake County, UT
The radar
The Salt Lake City radar (KMTX), 60 km from the middle of the area, began a volume at 20:18 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Salt Lake City I, UT (KSLC), launched 12:00Z, 8.4 hours before the alert went out and 11 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 15 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 875 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSLC 102020 RRA SVRSLC UTC011-035-102110- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SALT LAKE CITY UT 223 PM MDT TUE JUN 10 1997 THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY UT HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 310 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWESTERN UTAH ...SOUTHERN DAVIS COUNTY ...NORTHERN SALT LAKE COUNTY AT 216 PM MDT...A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER RADAR AND SPOTTERS IN THE VICINITY OF SALT LAKE CITY MOVING NORTHEAST AT 10 MPH. THIS STORM CAN BE EXPECTED IN THE VICINITY OF... DOWNTOWN SALT LAKE AT AROUND 230 PM MDT NORTH SALT LAKE AT AROUND 235 PM MDT SUGAR HOUSE AT AROUND 255 PM MDT BOUNTIFUL AT AROUND 255 PM MDT SPOTTERS IN WEST VALLEY REPORTED 3/4 INCH HAIL. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH... DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. &
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jun 10, 12:02 PM MDT, 2 hours 21 minutes before
UTZ001>027-110000-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1202 PM MDT TUE JUN 10 1997
...MORE THUNDERSTORMS STATEWIDE THIS AFTERNOON AND EVENING...
A VERY MOIST AND UNSTABLE AIRMASS OVER UTAH WILL SPAWN ANOTHER ROUND
OF SHOWERS AND THUNDERSTORMS ACROSS UTAH TODAY. THESE STORMS WILL
PRODUCE LOCALLY HEAVY RAINFALL...HAIL...GUSTY SURFACE WINDS...AND
FREQUENT CLOUD-TO-GROUND LIGHTNING.
THUNDERSTORMS WERE FORMING RAPIDLY OVER SOUTHERN UTAH EARLY THIS
AFTERNOON. THESE STORMS WILL GAIN IN NUMBER AND INTENSITY OVER THE
NEXT COUPLE OF HOURS...THEN SPREAD INTO NORTHERN UTAH. HEAVY
RAINFALLS COULD RESULT IN LOCALIZED FLOODING...ESPECIALLY IN AREAS
THAT RECEIVED HEAVY RAINFALL OVER THE PAST COUPLE OF DAYS.
PERSONS PLANNING OUTDOOR ACTIVITIES ANYWHERE IN UTAH TODAY NEED TO
KEEP A CLOSE EYE ON THE WEATHER. IF THUNDERSTORMS MOVE INTO YOUR
AREA SEEK SHELTER IN A BUILDING OR VEHICLE IMMEDIATELY. STAY TUNED
TO LOCAL RADIO...TELEVISION...CABLE TV...OR NOAA WEATHER RADIO FOR
FURTHER INFORMATION ON TODAYS WEATHER.
MCC...1202ZSpecial weather statement, Jun 10, 12:03 PM MDT, 2 hours 20 minutes before
UTZ001>027-110000-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1202 PM MDT TUE JUN 10 1997
...MORE THUNDERSTORMS STATEWIDE THIS AFTERNOON AND EVENING...
A VERY MOIST AND UNSTABLE AIRMASS OVER UTAH WILL SPAWN ANOTHER ROUND
OF SHOWERS AND THUNDERSTORMS ACROSS UTAH TODAY. THESE STORMS WILL
PRODUCE LOCALLY HEAVY RAINFALL...HAIL...GUSTY SURFACE WINDS...AND
FREQUENT CLOUD-TO-GROUND LIGHTNING.
THUNDERSTORMS WERE FORMING RAPIDLY OVER SOUTHERN UTAH EARLY THIS
AFTERNOON. THESE STORMS WILL GAIN IN NUMBER AND INTENSITY OVER THE
NEXT COUPLE OF HOURS...THEN SPREAD INTO NORTHERN UTAH. HEAVY
RAINFALLS COULD RESULT IN LOCALIZED FLOODING...ESPECIALLY IN AREAS
THAT RECEIVED HEAVY RAINFALL OVER THE PAST COUPLE OF DAYS.
PERSONS PLANNING OUTDOOR ACTIVITIES ANYWHERE IN UTAH TODAY NEED TO
KEEP A CLOSE EYE ON THE WEATHER. IF THUNDERSTORMS MOVE INTO YOUR
AREA SEEK SHELTER IN A BUILDING OR VEHICLE IMMEDIATELY. STAY TUNED
TO LOCAL RADIO...TELEVISION...CABLE TV...OR NOAA WEATHER RADIO FOR
FURTHER INFORMATION ON TODAY'S WEATHER.
MCC...1202ZThe office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 12:00 PM MDT | Severe Thunderstorm Warning | SLC | Wayne | 45 min |
| Jun 10, 12:47 PM MDT | Severe Thunderstorm Warning | SLC | Wayne | 48 min |
| Jun 10, 1:10 PM MDT | Severe Thunderstorm Warning | SLC | Duchesne | 45 min |
| Jun 10, 1:35 PM MDT | Severe Thunderstorm Warning | SLC | Wayne | 45 min |
| Jun 10, 2:28 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 62 min |
| Jun 10, 3:02 PM MDT | Severe Thunderstorm Warning | SLC | Morgan, Salt Lake, Summit | 48 min |
| Jun 10, 3:34 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 41 min |
| Jun 10, 4:04 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 61 min |
| Jun 10, 5:02 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Salt Lake, Tooele | 63 min |
| Jun 10, 5:03 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Salt Lake, Tooele | 62 min |
Nearby
Severe Thunderstorm Warnings in Utah, 1997Every severe thunderstorm warning in 1997
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.